Rotations

Front

What is a 180 degree rotation in the coordinate plane?

Back

A 180 degree rotation around the origin transforms a point (x, y) to (-x, -y).

Front

What happens to the coordinates of a point when it is rotated 90 degrees clockwise?

Back

A point (x, y) becomes (y, -x) after a 90 degree clockwise rotation.

Front

What is the result of rotating the point (5, 5) 180 degrees counterclockwise around the origin?

Back

The image of the point is (-5, -5).

Front

What is the rule for rotating a point (x, y) 180 degrees clockwise?

Back

The rule is (x, y) → (-x, -y).

Front

If point A is at (3, 4), what are the coordinates of A' after a 180 degree rotation about the origin?

Back

The coordinates of A' would be (-3, -4).

Front

What is the effect of a 90 degree counterclockwise rotation on the point (2, 3)?

Back

The point becomes (-3, 2) after a 90 degree counterclockwise rotation.

Front

How do you determine the angle of rotation for a figure?

Back

The angle of rotation is the measure of the turn from the original position to the new position of the figure.

Front

What is the coordinate transformation for a 90 degree clockwise rotation?

Back

The transformation is (x, y) → (y, -x).

Front

What is the image of the point (1, -2) after a 180 degree rotation?

Back

The image of the point is (-1, 2).

Front

If triangle ABC is rotated 90 degrees counterclockwise, what is the new position of point B at (4, 1)?

Back

Point B will move to (-1, 4).